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Finding the Fourth Proportional to 71,445.24, 98,580.24 and 43,152.48

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Solution

The fourth proportional to 71,445.24, 98,580.24 and 43,152.48 is: 59,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,445.24 : 98,580.24 = 43,152.48 : x
  2. Step 2: Convert to fraction form
    71,445.24/98,580.24 = 43,152.48/x
  3. Step 3: Cross multiply
    71,445.24x = 98,580.24 × 43,152.48
  4. Step 4: Simplify right side
    71,445.24x = 4,253,981,835.00
  5. Step 5: Solve for x
    x = 4,253,981,835.00/71,445.24
  6. Step 6: Final answer
    x = 59,541.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.